Home / 121,761.36-182,556.18-46,818.54

Finding the Fourth Proportional to 121,761.36, 182,556.18 and 46,818.54

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Solution

The fourth proportional to 121,761.36, 182,556.18 and 46,818.54 is: 70,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,761.36 : 182,556.18 = 46,818.54 : x
  2. Step 2: Convert to fraction form
    121,761.36/182,556.18 = 46,818.54/x
  3. Step 3: Cross multiply
    121,761.36x = 182,556.18 × 46,818.54
  4. Step 4: Simplify right side
    121,761.36x = 8,547,013,815.58
  5. Step 5: Solve for x
    x = 8,547,013,815.58/121,761.36
  6. Step 6: Final answer
    x = 70,194.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.